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Blens vs Broken Link Checker

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Blens compared with Broken Link Checker
DetailBlens logo BlensBroken Link Checker logo Broken Link Checker
What it doesBrowser extension that tracks browsing habits and provides productivity insights with privacy-first approach Free Chrome extension that detects broken links, 404 errors, and redirects on any webpage
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingNot given Free plan: up to 150 links per scan. Lifetime License: $9.50 one-time (50% off, normally $19), includes unlimited links per scan, sitemap health checker, bulk URL checker (20 at a time), image checker, scan history, stats dashboard, and PDF export.
Key features
  • Browsing Analytics - Track time spent on different websites with detailed breakdowns and visualizations
  • Creativity Assessment - Evaluate browsing diversity and depth with proprietary algorithm
  • Productivity Insights - Identify peak productive times and distractions
  • Time Tracking - Monitor daily, weekly, and monthly browsing patterns with charts
  • Local Storage Only - All data stored on device, never sent to servers
  • Data Encryption - Local data encrypted for maximum security
  • Customizable UI - Dark and light modes with personalized dashboard layout
  • Full Control - Delete data at any time or choose which websites to track
  • Multi-browser Support - Compatible with Chrome, Edge, and Firefox
  • Color-coded link status results (red for broken, yellow for redirects, green for working)
  • Detects 404 errors, 500 server errors, timeouts and unreachable URLs
  • Identifies 301 and 302 redirects with destination URLs
  • CSV export of scan results
  • Focus Mode to highlight individual links on the page
  • Real-time progress bar during scans
  • Filter results by status
  • Sidebar panel for results review
  • Sitemap health checker (Lifetime License)
  • Image checker to flag broken images (Lifetime License)
What makes it different
  • Completely privacy-focused - no data ever sent to servers or shared with third parties
  • Unique Creativity Score - proprietary algorithm evaluates browsing patterns for exploration diversity, engagement depth, browsing balance, connection making, and browsing rhythm
  • Local-only processing - all data stays on your device with no external tracking
  • Self-awareness through objective data - understand personal browsing habits with clear visualizations
  • No account or sign-up required
  • Runs entirely in your browser with no data leaving your device
  • Only runs when you click Scan, does not slow down browsing
  • Works on any website including password-protected pages
  • Free to install and use with no credit card required
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)4 no change since last check43 no change since last check
Trust Flow (Majestic)37
Citation Flow (Majestic)1825
Referring domains (Majestic)3236

4 details filled in for both companies.

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